Insects
Stick insects (Phasmatodea)
Sighting 4371869

Didymuria violescens

Spur-legged stick insect at Paddys River, ACT

Didymuria violescens at Paddys River, ACT - 14 Feb 2021 01:04 PM
Didymuria violescens at Paddys River, ACT - 14 Feb 2021 01:04 PM
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Identification history

Didymuria violescens 23 Jun 2023 MichaelMulvaney
Didymuria violescens 10 May 2021 KimPullen
Unverified 15 Feb 2021 KMcCue

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User's notes

Hitch hiking

5 comments

KimPullen wrote:
   10 May 2021
A male.
KMcCue wrote:
   10 May 2021
Kim
How do you tell the sex?
KimPullen wrote:
   7 Jun 2021
Kevin, According to Brock & Hasenpusch in 'The complete field guide to stick and leaf insects of Australia' (CSIRO Publishing, 2009), males have a subgenital plate in the form of a characteristic 'bump' underneath the end of the abdomen, whereas females have in the same position an operculum which is 'boat-like' and 'often fairly flat'. Males are usually smaller than females and often much more slender. In winged species - such as your Didymuria violescens (if I have the name right) - males can often fly quite well, while females may have shortened wings that, at most, may break a fall.
KMcCue wrote:
   7 Jun 2021
Interesting Kim, thanks. Hope I'll see another one and will test those indicators.
KMcCue wrote:
   23 Jun 2023
Thanks for your perseverance Michael, things must be quiet at the ranch.

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